Question: Browser Desktop Laptop Internet Explorer18 56 Firefox 7 37 Chrome 24 77 Safari 3 18 Other 3 7 The probability that a randomly selected person

Browser Desktop Laptop

Internet Explorer18 56

Firefox 7 37

Chrome 24 77

Safari 3 18

Other 3 7

The probability that a randomly selected person from this sample used the Internet Explorer and the Firefox browser is ??

My answer is .47 but not sure if that is right.

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